<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>js示例4-9-1</title>
	<script>
		var car = {
			type : "porsche",
			model : "911",
			color : "white",
			callType : function(){
				alert(this.type);
			} 
	    }
	    car.callType();
	</script>
</head>
<body>
	
</body>
</html>